Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 389

1XPXD49X3JD455881 · Truck-Tractor · TRUCK
Carriers run under2
37 mo
Inspections4
all-time
OOS inspections2
of 4
First seenJun 27, 2023
NM
Last seenJul 20, 2026
CO
Inspected under 2 different carriers in 37 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPXD49X3JD455881
Make
Peterbilt
Model
389
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 20, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
XD49X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1988 or 2018

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
455881

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 12,357 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 12,357 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 27, 2023 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026COII · Walk-around5OOSSUPERIOR OILFIELD SERVICES COMPANY LTD 2120607DETW88/CO
Dec 29, 2025COII · Walk-around1—SUPERIOR OILFIELD SERVICES COMPANY LTD 2120607DETW88/CO
Jul 10, 2023NMI · Full5—U S TRANSPORT INC 1331834R500861/TX
Jun 27, 2023NMII · Walk-around6OOSU S TRANSPORT INC 1331834R500861/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUPERIOR OILFIELD SERVICES COMPANY LTD2120607Dec 29, 2025Jul 20, 20262CO
U S TRANSPORT INC1331834Jun 27, 2023Jul 10, 20232CO
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
DETW88CO1SUPERIOR OILFIELD SERVICES COMPANY LTDDec 29, 2025 → Jul 20, 20262
R500861TX—U S TRANSPORT INCJun 27, 2023 → Jul 10, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 20, 2026